乙烯醇

A series of UV-cured AB crosslinked polymers based on vinyl-terminated polyethylene adipate polyurethane and methyl methacrylate were prepared.

用紫外光聚合方法制备出一系列端乙烯基聚己二酸乙二醇酯聚氨酯和甲基丙烯酸甲酯AB交联聚合物。

RECOMMENDED - Viton, High Nitrile Buna N, Teflon, Epoxy Paint, Oil-Resistant Alkyd, Nylon, Delrin, Celcon, PBT

推荐：氟橡胶，高腈丁腈橡胶，聚四氟乙烯，环氧树脂涂料，耐油醇酸树脂，尼龙，聚甲醛树脂，聚甲撑氧，聚苯并噻唑

The risk assessment for epoxyethane /glycol plant of Maoming Petrochemical Ethylene Industrial Comˉpany was carried out by utilized the risk assessment proceˉdure of risk index method of fire and explosion of Dow Chemical Company,and improvement measures are sugˉgested.

利用道化学公司火灾爆炸危险指数法安全风险评价程序对茂名石化乙烯公司环氧乙烷/乙二醇装置进行了安全评价，并提出了改进措施。

Results showed that: there were best range of the amount of solicitation reagent,the amount of polyethylene glycol, the length of the polyoxydation ethene side chain and the best time temperature and of the esteri.

通过确定不同的引发剂用量、聚乙二醇投入量、聚氧化乙烯侧链长度以及酯化反应的温度和时间，对所合成的新型聚羧酸系外加剂的性能进行比较。

The comparison of hydrolysis-polycondensation reaction and microstructure of ORMOSILs derived by TEOS, MTES, VTES, ETES confirms that the influence of organic group such as methyl, vinyl, ethyl and ethoxyl on the hydrolysis and polycondensation reaction rate depends on several factors including electron-donating capability, size and number of ethoxyl group which can participates polycondensation reaction.

确认甲基、乙烯基和乙基和乙氧基等改性基团对硅醇盐水解-缩聚反应速度的影响是取决于有机改性基团的电负性、尺寸和可水解的-OR基团数目等因素综合作用的结果，其水解速度依MTES＞TEOS＞VTES＞ETES的顺序递减。由于Si原子上可聚合的基团数目减少，导致MTES、VTES和ETES的聚合反应速度降低，而与水解速率失配。

Simetryne is synthesized from cyanuric chloride, ethylamine and sodium methyl mercaptide in solution of the trichloroethylene.

以三聚氯氰、乙胺和甲硫醇钠为原料，以三氯乙烯为溶剂制备了西草净。

The process of diethyl carbonate synthesis by transesterification reaction of ethanol with ethylene carbonate,coproducing useful ethylene glycol was investigated using catalyst of sodium ethylate .

研究了以乙醇钠为均相催化剂，碳酸乙烯酯和乙醇酯交换合成碳酸二乙酯同时联产乙二醇的过程。

The cleaning agent non-toxic to humans,non-toxic to environment,non-ozone depleting,can be discharged to drain with minimal waste teatment required and does not contain phosphates or nonyl phenolethoxylates.

其清洗剂主要组分包括脂肪醇聚氧乙烯醚、烷基醇酰胺等多种表面活性剂和助剂，符合对人无毒、对环境无毒、对臭氧层无损耗、不含磷酸盐及壬基苯酚乙基盐等综合要求。

After several decades, the tireless efforts of several generations of people, has now developed into a provincial owned paint Institute, 8 production base, five branch offices and 24 holding subsidiaries specializing in the production of paint coating integrated enterprises, production 18 major categories of more than 3000 varieties, varieties have polyester, polyurethane, nitro, perchlorethylene, acrylic, epoxy, silicone, alkyd, natural resins, phenolic, asphalt, etc., are widely used in automobile, heavy industries, ships, bridges, sports facilities, chemical, pharmaceutical, power plant, metallurgy, electronics, light industry, food, city utilities, roads, railways, household appliances, furniture, architecture, decoration and other social production in all aspects of life.

经过几十年、几代人的不懈努力，现已发展成为拥有1个省级涂料研究所、8个生产基地、5个分公司及24个控股子公司的专业生产涂料油漆的综合企业，生产18大类3000多个花色品种，品种有聚酯、聚氨酯、硝基、过氯乙烯、丙烯酸、环氧、有机硅、醇酸、天然树脂、酚醛、沥青等，广泛用于汽车、重工业、船舶、桥梁、体育设施、化工、制药、电厂、冶金、电子、轻工、食品、城市公用设施、公路、铁路、家电、家具、建筑、装修等社会生产生活的各方面。

The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.

聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。